Coolant M3.0 Ready to use on an ethylene glycol basis offers outstanding protection against freezing, corrosion, limescale and overheating in state-of-the-art engines, especially highly stressed aluminum engines and protects the system at temperatures as low as -38 C. The inhibitors used effectively prevent corrosion and deposits in the key components of the cooling system, such as cooling channels in the cylinder head and engine block, cooler, water pump and heat exchanger. Coolant M3.0 Ready to use is recommended by numerous notable car manufacturers. Thanks to its optimum inhibitor technology, the coolant offers reliable protection for the entire cooler system. Coolant M3.0 has excellent thermal conductivity, extended usage duration, and is extremely effective corrosion protection for the entire cooling system. This ready to use Ethylene Glycol Coolant is not only silicate-, nitrite-, amine- borate- and phosphate-free but it also has excellent compatibility with all commercially available seals and cooler hoses. To make sure you can enjoy the unique advantages, such as improved aluminum protection and long maintenance intervals, mixing with other coolants is not recommended.